What is the cheapest airline that flies from Washington, D.C. to Perth?

Cathay Pacific and Qantas Airways are the most popular carriers operating from Washington, D.C. to Perth

How long does it take to fly to Perth?

Average flight duration from Washington, D.C. to Perth depends on which airport you fly into and out of. Flying from Washington, D.C. to Perth is 31h 05m on average, while flying from Baltimore to Perth is 32h 20m on average. Perth is the most popular airport in Perth.

When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

The number of operators available for flights from Washington, D.C. to Perth Airport is 2 as of November 2025.

How old do you have to be to fly from Washington, D.C. to Perth Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$552 Cheap Flights from Washington, D.C. to Perth in 2025/26

Q: What is the typical price of a round-trip flight between Washington, D.C. and Perth?

Prices are currently low for flights on this route. Typical prices usually range from $2,220 to $2,515. The lowest price recently found on this route was $1,466.

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Find the cheapest flights from Washington, D.C. to Perth

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9:59 am - 2:40 pmDCA-PER

40h 41m2 stops

1:10 am - 9:59 pmPER-DCA

32h 49m2 stops

$1,466Multiple Airlines

Find Deal

Sat, May 9 - Wed, May 20

5:10 pm - 12:35 pmIAD-PER

31h 25m2 stops

6:20 am - 10:19 pmPER-IAD

27h 59m2 stops

$1,533Qantas Airways

Find Deal

Sat, Mar 28 - Sat, Apr 11

6:00 am - 6:55 amDCA-PER

36h 55m2 stops

9:15 am - 3:49 pmPER-DCA

42h 34m2 stops

$1,536Multiple Airlines

Find Deal

Fri, Mar 27 - Fri, Apr 10

6:35 pm - 10:40 pmDCA-PER

40h 05m2 stops

12:10 am - 9:05 amPER-DCA

44h 55m2 stops

$1,549Multiple Airlines

Find Deal

Sun, May 10 - Fri, May 22

7:01 pm - 5:00 pmDCA-PER

33h 59m2 stops

6:20 am - 11:00 pmPER-DCA

28h 40m2 stops

$1,553Qantas Airways

Find Deal

Sun, May 10 - Sat, May 23

3:35 pm - 2:40 pmIAD-PER

35h 05m3 stops

5:20 pm - 4:05 pmPER-IAD

34h 45m2 stops

$1,553Multiple Airlines

Find Deal

Sun, May 10 - Sat, May 23

6:18 pm - 2:40 pmBWI-PER

32h 22m2 stops

1:45 pm - 5:07 pmPER-BWI

39h 22m2 stops

$1,569Singapore Airlines

Find Deal

Sun, Apr 5 - Tue, Apr 14

3:35 pm - 2:40 pmIAD-PER

35h 05m3 stops

5:20 pm - 4:05 pmPER-IAD

34h 45m2 stops

$1,572Multiple Airlines

Find Deal

Sat, May 9 - Thu, May 21

6:06 am - 10:40 pmDCA-PER

52h 34m2 stops

12:10 am - 8:41 pmPER-DCA

32h 31m2 stops

$1,617Cathay Pacific

Find Deal

Sun, Apr 5 - Mon, Apr 13

8:40 am - 12:35 pmBWI-PER

38h 55m2 stops

1:45 pm - 4:47 pmPER-BWI

39h 02m2 stops

$1,713Singapore Airlines

Find Deal

Wed, Feb 4 - Sat, Jun 13

Qantas Airways flights from Washington, D.C. to Perth

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets

Qantas Airways

Mar 28

IAD5:10 pmWashington, D.C. Dulles Intl

31h 25m

2 stops

PER12:35 pmPerth

Apr 11

PER6:20 amPerth

27h 59m

2 stops

IAD10:19 pmWashington, D.C. Dulles Intl

$1,533

Find similar

Qantas Airways

May 10

DCA7:01 pmWashington, D.C. Reagan-National

33h 59m

2 stops

PER5:00 pmPerth

May 23

PER6:20 amPerth

28h 40m

2 stops

DCA11:00 pmWashington, D.C. Reagan-National

$1,553

Find similar

Qantas Airways

Mar 28

IAD5:52 pmWashington, D.C. Dulles Intl

30h 43m

2 stops

PER12:35 pmPerth

Apr 11

PER6:20 amPerth

27h 59m

2 stops

IAD10:19 pmWashington, D.C. Dulles Intl

$1,594

Find similar

SWISS flights from Washington, D.C. to Perth

Our best SWISS deals on Washington, D.C. to Perth flight tickets

SWISS

May 10

IAD8:45 pmWashington, D.C. Dulles Intl

27h 45m

2 stops

PER12:30 pmPerth

May 22

PER12:10 amPerth

52h 10m

2 stops

IAD4:20 pmWashington, D.C. Dulles Intl

$1,834

Find similar

SWISS

May 9

IAD8:45 pmWashington, D.C. Dulles Intl

61h 55m

2 stops

PER10:40 pmPerth

May 20

PER12:10 amPerth

52h 10m

2 stops

IAD4:20 pmWashington, D.C. Dulles Intl

$1,966

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sat 5/9

9:59 am-2:40 pm

2 stops40h 41m

Perth

Wed 5/20

1:10 am-9:59 pm

2 stops32h 49m

$1,466

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 3/28

5:10 pm-12:35 pm

2 stops31h 25m

Perth

Sat 4/11

6:20 am-10:19 pm

2 stops27h 59m

$1,533

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Fri 3/27

6:00 am-6:55 am

2 stops36h 55m

Perth

Fri 4/10

9:15 am-3:49 pm

2 stops42h 34m

$1,536

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 5/10

6:35 pm-10:40 pm

2 stops40h 05m

Perth

Fri 5/22

12:10 am-9:05 am

2 stops44h 55m

$1,549

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 5/10

7:01 pm-5:00 pm

2 stops33h 59m

Perth

Sat 5/23

6:20 am-11:00 pm

2 stops28h 40m

$1,553

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 5/10

3:35 pm-2:40 pm

3 stops35h 05m

Perth

Sat 5/23

5:20 pm-4:05 pm

2 stops34h 45m

$1,553

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 4/5

6:18 pm-2:40 pm

2 stops32h 22m

Perth

Tue 4/14

1:45 pm-5:07 pm

2 stops39h 22m

$1,569

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 5/9

3:35 pm-2:40 pm

3 stops35h 05m

Perth

Thu 5/21

5:20 pm-4:05 pm

2 stops34h 45m

$1,572

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 4/5

6:06 am-10:40 pm

2 stops52h 34m

Perth

Mon 4/13

12:10 am-8:41 pm

2 stops32h 31m

$1,617

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 2/4

8:40 am-12:35 pm

2 stops38h 55m

Perth

Sat 6/13

1:45 pm-4:47 pm

2 stops39h 02m

$1,713

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Perth?

What is the cheapest month to fly to Perth?

In general, March is the cheapest month to fly from Washington, D.C. to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,212. If you are unable to visit Perth during the month of March, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $1,212.

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,785. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Thursday, with ticket prices averaging around $2,395.

What is the cheapest time of day to depart on your flight to Perth?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Perth when you can find flight prices for as low as $1,863. Flying to Perth in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $2,119. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Washington, D.C. to Perth flights?

You could potentially save up to 54% on your flight if you consider stops on a Washington, D.C. to Perth flight.

When to book flights from Washington, D.C. to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Fastest flight time	30h 25m
Direct flights	None

The fastest flight from Washington, D.C. to Perth takes 30h 25m

There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.

Search flight deals

How far is Washington, D.C. to Perth by plane?
The straight-line distance from Washington, D.C. to Perth is 11559.6 mi. 26h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Perth Airport?
Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Perth Airport?
The number of operators available for flights from Washington, D.C. to Perth Airport is 2 as of November 2025.
How old do you have to be to fly from Washington, D.C. to Perth Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. to Perth?
Based on momondo bookings for flights between Washington, D.C. and Perth, the leading airline is Qantas Airways, making up 38% of the total bookings. Other popular airlines include American Airlines with 33% and Qatar Airways with 29%.

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,212	Free Cancellation	Rating 7.5 946 reviews		Search Qantas Airways flights
Qatar Airways	PriceFrom $1,961	Free Cancellation	Rating 7.4 3,677 reviews		Search Qatar Airways flights

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Rottnest Island

Scarborough

Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

It is quick and easy to find Washington, D.C. to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

Flights from Washington, D.C. to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search for Washington, D.C. to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Washington, D.C. and alert you when they change.

An easier way to manage your Perth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Washington, D.C. to Perth from $552

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Perth departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Washington, D.C. to Perth

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Qantas Airways flights from Washington, D.C. to Perth

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets

SWISS flights from Washington, D.C. to Perth

Our best SWISS deals on Washington, D.C. to Perth flight tickets

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How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Perth?

What is the cheapest month to fly to Perth?

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,785. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Thursday, with ticket prices averaging around $2,395.

What is the cheapest time of day to depart on your flight to Perth?

Can stopping save me money on Washington, D.C. to Perth flights?

You could potentially save up to 54% on your flight if you consider stops on a Washington, D.C. to Perth flight.

What is the cheapest airline that flies from Washington, D.C. to Perth?

Cathay Pacific and Qantas Airways are the most popular carriers operating from Washington, D.C. to Perth

How long does it take to fly to Perth?

Average flight duration from Washington, D.C. to Perth depends on which airport you fly into and out of. Flying from Washington, D.C. to Perth is 31h 05m on average, while flying from Baltimore to Perth is 32h 20m on average. Perth is the most popular airport in Perth.

When to book flights from Washington, D.C. to Perth

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Fastest flight time

Direct flights

How far is Washington, D.C. to Perth by plane?

When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

How old do you have to be to fly from Washington, D.C. to Perth Airport?

What documentation or ID do you need to fly to Perth Airport?

What is the most popular airline from Washington, D.C. to Perth?

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo

Traveling to a place near Perth?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Perth?

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

An easier way to manage your Perth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing Western Australia